Chemistry

Demarcus Pineda

4 February, 19:17

1. Magnesium (Mg) reacts with hydrochloric acid (HCI) to produce (H) and magnesium chloride (MgCl2). The unbalanced

equation is below:

Mg (s) + HCl (aq) - H2 (g) + MgCl2 (aq)

What must be done to balance the equation?

A.

The subscripts should be removed from the H2 and the MgCl2

B.

A coefficient of 2 should be placed before the Mg and before the HCI

C.

A coefficient of 2 should be placed before the HCI

D. A subscript of 2 should be placed after the HCI